n1,n2,n3 = eval(input("请输入三个数："))
if n1 > n2:
    n1,n2 = n2,n1
if n2 > n3:
    n2,n3 = n3,n2
if n1 > n2:
    n1,n2 = n2,n1

print("这三个数的升序排序为：",n1,n2,n3)